Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Jason Werth #28 and Ian Desmond # 6 and head coach Davey Johnson of the Washington Nationals celebrate after scoring the winning run on a wild pitch in the tenth inning during a game against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)Credit: Ned Dishman/Getty Images

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Jason Werth #28 and Ian Desmond # 6 of the Washington Nationals celebrate after scoring the winning run on a wild pitch in the tenth inning during a game against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Jason Werth #28 scores the winning run on a wild pitch in the tenth inning of the Washington Nationals against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Casey Coleman #27 of the Chicago Cubs delivers a pitch during a game against the Washington Nationals at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Starlin Castro #13 of the Chicago Cubs makes a throw to first base during a game against the Washington Nationals at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Danny Espinosa #18 and Ivan Rodriguez #7 of the Washington Nationals celebrate after the second run in the first inning during a game against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Roger Bernadina #2 of the Washington Nationals attempts to steal second base during a game against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Casey Coleman #27 of the Chicago Cubs delivers a pitch during a game against the Washington Nationals at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs vWASHINGTON, DC - JULY 4: A George Washington mascot wins a race holding an american flag during a break in the game betwen the Washington Nationals and Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Danny Espinosa #18 and head coach Davey Johnson of the Washington Nationals celebrate after the second run in the first inning during a game against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Darwin Barney #15 of the Chicago Cubs throws to first during a game against the Washington Nationals at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Carlos Pena #22 of the Chicago Cubs scores the first run in the second inning during a game against the Washington Nationals at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)

Washington Nationals vs Chicago CubsChicago Cubs v Washington NationalsWASHINGTON, DC - JULY 4: Jason Werth #28 of the Washington Nationals steals third base prior to scoring the winning run on a wild pitch in the tenth inning against the Chicago Cubs at Nationals Park on July 4, 2011 in Washington, DC. (Photo by Ned Dishman/Getty Images)